RISTRETTO spectrograph cleared for Proxima b atmospheric hunt
Geneva, Switzerland (SPX) Dec 09, 2025
The RISTRETTO project at the University of Geneva has reached a key stage, with several core elements of its high-precision spectrograph now prototyped and tested for observations of the nearby exoplanet Proxima b. The instrument is designed to study the faint reflected light of this Earth-sized planet, which orbits Proxima Centauri at a temperature compatible with liquid water but remains outsh
Published by SpaceDaily on 12/09/2025